This is the RB Products 50mm Medium Compact Manifold. RB has developed an updated buggy manifold called COMPACT V2 to perfectly fit modern 1/8 scale narrow buggies. Designed with a parabolic progressive shape to keep the right gas flux, polished inside and outside, this COMPACT V2 manifold perfectly fits the MUGEN MBX6 line and the RB One R buggies. Delivered with one strong silicon gasket and 2 springs, this manifold perfectly fits the RB 2097 tuned pipe and 95% of other tuned pipes brands available.